/* Intro — TV liga → logo → sobe em bloco preto → LP */

body.intro-active {
  overflow: hidden;
  background: #000;
}

.intro-curtain {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: #000;
  overflow: hidden;
}

.intro-curtain__screen {
  position: absolute;
  inset: 0;
  background: #000;
  clip-path: inset(50% 0 50% 0);
  filter: brightness(0);
  overflow: hidden;
  will-change: transform;
}

.intro-curtain.is-powering .intro-curtain__screen {
  animation: tv-power-on 0.45s cubic-bezier(0.15, 0.85, 0.25, 1) forwards;
}

.intro-curtain.is-on .intro-curtain__screen {
  clip-path: inset(0);
  filter: none;
  transform: translateY(0);
}

.intro-curtain__content {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: grid;
  place-items: center;
  padding: 2rem 1.5rem;
  opacity: 0;
}

.intro-curtain.is-on .intro-curtain__content {
  animation: tv-logo-in 0.5s cubic-bezier(0.22, 1, 0.36, 1) 0.05s forwards;
}

.intro-curtain.is-exiting .intro-curtain__content {
  animation: logo-fade-out 0.35s ease forwards !important;
}

.intro-curtain__logo {
  width: min(72vw, 380px);
  height: auto;
  filter:
    drop-shadow(0 0 18px rgba(255, 45, 45, 0.6))
    drop-shadow(0 0 36px rgba(255, 45, 45, 0.25));
}

.intro-curtain__scanlines {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  opacity: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.35) 3px
  );
}

.intro-curtain.is-on .intro-curtain__scanlines {
  opacity: 0.22;
}

.intro-curtain.is-exiting .intro-curtain__scanlines {
  opacity: 0;
  transition: opacity 0.15s ease;
}

.intro-curtain__noise {
  position: absolute;
  inset: 0;
  z-index: 3;
  pointer-events: none;
  opacity: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.55'/%3E%3C/svg%3E");
  background-size: 200px 200px;
  mix-blend-mode: soft-light;
}

.intro-curtain.is-powering .intro-curtain__noise {
  animation: noise-boot 0.45s steps(3) forwards;
}

.intro-curtain.is-exiting .intro-curtain__noise {
  opacity: 0 !important;
}

.intro-curtain__static {
  display: none;
}

/* Saída: logo some → tela sobe como bloco preto (fundo do pai continua preto) */
.intro-curtain.is-exiting {
  pointer-events: none;
}

.intro-curtain.is-exiting .intro-curtain__screen {
  animation: screen-rise-out 0.82s cubic-bezier(0.76, 0, 0.24, 1) forwards;
}

@keyframes tv-power-on {
  0% {
    clip-path: inset(49.8% 0 49.8% 0);
    filter: brightness(2.5);
  }
  100% {
    clip-path: inset(0);
    filter: brightness(1);
  }
}

@keyframes noise-boot {
  0%,
  100% {
    opacity: 0;
  }
  50% {
    opacity: 0.18;
  }
}

@keyframes tv-logo-in {
  0% {
    opacity: 0;
    transform: scale(0.96);
    filter: blur(5px) brightness(1.5);
  }
  100% {
    opacity: 1;
    transform: scale(1);
    filter: blur(0) brightness(1);
  }
}

@keyframes logo-fade-out {
  0% {
    opacity: 1;
    transform: scale(1);
    filter: blur(0) brightness(1);
  }
  100% {
    opacity: 0;
    transform: scale(0.98);
    filter: blur(1px) brightness(0.6);
  }
}

@keyframes screen-rise-out {
  0% {
    transform: translateY(0);
  }
  100% {
    transform: translateY(-100%);
  }
}

@media (prefers-reduced-motion: reduce) {
  .intro-curtain__screen {
    clip-path: inset(0) !important;
    filter: none !important;
    animation: none !important;
  }

  .intro-curtain__content {
    opacity: 1 !important;
    animation: none !important;
  }

  .intro-curtain.is-exiting .intro-curtain__screen {
    animation: screen-rise-out 0.4s ease forwards !important;
  }
}